| Step | Hyp | Ref | Expression | 
						
							| 1 |  | aks4d1p1p4.1 |  | 
						
							| 2 |  | aks4d1p1p4.2 |  | 
						
							| 3 |  | aks4d1p1p4.3 |  | 
						
							| 4 |  | aks4d1p1p4.4 |  | 
						
							| 5 |  | aks4d1p1p4.5 |  | 
						
							| 6 |  | aks4d1p1p4.6 |  | 
						
							| 7 |  | aks4d1p1p4.7 |  | 
						
							| 8 |  | aks4d1p1p4.8 |  | 
						
							| 9 | 1 | nnred |  | 
						
							| 10 |  | 2re |  | 
						
							| 11 | 10 | a1i |  | 
						
							| 12 |  | 2pos |  | 
						
							| 13 | 12 | a1i |  | 
						
							| 14 | 1 | nngt0d |  | 
						
							| 15 |  | 1red |  | 
						
							| 16 |  | 1lt2 |  | 
						
							| 17 | 16 | a1i |  | 
						
							| 18 | 15 17 | ltned |  | 
						
							| 19 | 18 | necomd |  | 
						
							| 20 | 11 13 9 14 19 | relogbcld |  | 
						
							| 21 |  | 5nn0 |  | 
						
							| 22 | 21 | a1i |  | 
						
							| 23 | 20 22 | reexpcld |  | 
						
							| 24 |  | ceilcl |  | 
						
							| 25 | 23 24 | syl |  | 
						
							| 26 | 25 | zred |  | 
						
							| 27 | 3 | a1i |  | 
						
							| 28 | 27 | eleq1d |  | 
						
							| 29 | 26 28 | mpbird |  | 
						
							| 30 |  | 0red |  | 
						
							| 31 |  | 7re |  | 
						
							| 32 | 31 | a1i |  | 
						
							| 33 |  | 7pos |  | 
						
							| 34 | 33 | a1i |  | 
						
							| 35 | 9 4 | 3lexlogpow5ineq3 |  | 
						
							| 36 | 32 23 35 | ltled |  | 
						
							| 37 |  | ceilge |  | 
						
							| 38 | 23 37 | syl |  | 
						
							| 39 | 38 27 | breqtrrd |  | 
						
							| 40 | 32 23 29 36 39 | letrd |  | 
						
							| 41 | 30 32 29 34 40 | ltletrd |  | 
						
							| 42 | 11 13 29 41 19 | relogbcld |  | 
						
							| 43 | 42 | flcld |  | 
						
							| 44 | 30 15 | readdcld |  | 
						
							| 45 | 43 | zred |  | 
						
							| 46 | 45 15 | readdcld |  | 
						
							| 47 | 11 13 11 13 19 | relogbcld |  | 
						
							| 48 | 15 | leidd |  | 
						
							| 49 |  | 1cnd |  | 
						
							| 50 | 49 | addlidd |  | 
						
							| 51 | 11 | recnd |  | 
						
							| 52 | 30 13 | gtned |  | 
						
							| 53 |  | logbid1 |  | 
						
							| 54 | 51 52 19 53 | syl3anc |  | 
						
							| 55 | 54 | eqcomd |  | 
						
							| 56 | 55 | eqcomd |  | 
						
							| 57 | 50 56 | breq12d |  | 
						
							| 58 | 48 57 | mpbird |  | 
						
							| 59 |  | 5re |  | 
						
							| 60 | 59 | a1i |  | 
						
							| 61 | 11 60 | readdcld |  | 
						
							| 62 | 10 21 | nn0addge1i |  | 
						
							| 63 | 62 | a1i |  | 
						
							| 64 | 10 | recni |  | 
						
							| 65 |  | 5cn |  | 
						
							| 66 | 64 65 | addcomi |  | 
						
							| 67 |  | 5p2e7 |  | 
						
							| 68 | 66 67 | eqtri |  | 
						
							| 69 | 68 | a1i |  | 
						
							| 70 | 32 | leidd |  | 
						
							| 71 | 69 70 | eqbrtrd |  | 
						
							| 72 | 11 61 32 63 71 | letrd |  | 
						
							| 73 | 11 32 29 72 40 | letrd |  | 
						
							| 74 |  | 2z |  | 
						
							| 75 | 74 | a1i |  | 
						
							| 76 | 75 | uzidd |  | 
						
							| 77 |  | 2rp |  | 
						
							| 78 | 77 | a1i |  | 
						
							| 79 | 29 41 | elrpd |  | 
						
							| 80 |  | logbleb |  | 
						
							| 81 | 76 78 79 80 | syl3anc |  | 
						
							| 82 | 73 81 | mpbid |  | 
						
							| 83 | 44 47 42 58 82 | letrd |  | 
						
							| 84 |  | fllep1 |  | 
						
							| 85 | 42 84 | syl |  | 
						
							| 86 | 44 42 46 83 85 | letrd |  | 
						
							| 87 | 30 45 15 | leadd1d |  | 
						
							| 88 | 86 87 | mpbird |  | 
						
							| 89 | 43 88 | jca |  | 
						
							| 90 |  | elnn0z |  | 
						
							| 91 | 89 90 | sylibr |  | 
						
							| 92 | 9 91 | reexpcld |  | 
						
							| 93 |  | fzfid |  | 
						
							| 94 | 9 | adantr |  | 
						
							| 95 |  | elfznn |  | 
						
							| 96 | 95 | adantl |  | 
						
							| 97 | 96 | nnnn0d |  | 
						
							| 98 | 94 97 | reexpcld |  | 
						
							| 99 |  | 1red |  | 
						
							| 100 | 98 99 | resubcld |  | 
						
							| 101 | 93 100 | fprodrecl |  | 
						
							| 102 | 92 101 | remulcld |  | 
						
							| 103 | 2 | a1i |  | 
						
							| 104 | 103 | eleq1d |  | 
						
							| 105 | 102 104 | mpbird |  | 
						
							| 106 | 7 | a1i |  | 
						
							| 107 | 106 | oveq2d |  | 
						
							| 108 |  | 2cnd |  | 
						
							| 109 | 78 | rpne0d |  | 
						
							| 110 | 109 19 | nelprd |  | 
						
							| 111 | 108 110 | eldifd |  | 
						
							| 112 | 9 | recnd |  | 
						
							| 113 | 30 14 | ltned |  | 
						
							| 114 |  | necom |  | 
						
							| 115 | 114 | imbi2i |  | 
						
							| 116 | 113 115 | mpbi |  | 
						
							| 117 | 116 | neneqd |  | 
						
							| 118 |  | c0ex |  | 
						
							| 119 | 118 | elsn2 |  | 
						
							| 120 | 117 119 | sylnibr |  | 
						
							| 121 | 112 120 | eldifd |  | 
						
							| 122 |  | cxplogb |  | 
						
							| 123 | 111 121 122 | syl2anc |  | 
						
							| 124 | 123 | eqcomd |  | 
						
							| 125 | 124 | oveq1d |  | 
						
							| 126 |  | eqidd |  | 
						
							| 127 | 125 126 | eqtrd |  | 
						
							| 128 | 107 127 | eqtrd |  | 
						
							| 129 | 106 | eqcomd |  | 
						
							| 130 |  | 4nn0 |  | 
						
							| 131 | 130 | a1i |  | 
						
							| 132 | 20 131 | reexpcld |  | 
						
							| 133 | 106 | eleq1d |  | 
						
							| 134 | 132 133 | mpbird |  | 
						
							| 135 | 134 | recnd |  | 
						
							| 136 | 129 135 | eqeltrd |  | 
						
							| 137 | 78 20 136 | cxpmuld |  | 
						
							| 138 | 137 | eqcomd |  | 
						
							| 139 | 128 138 | eqtrd |  | 
						
							| 140 | 20 | recnd |  | 
						
							| 141 | 140 | exp1d |  | 
						
							| 142 | 141 | eqcomd |  | 
						
							| 143 | 142 | oveq1d |  | 
						
							| 144 |  | 1nn0 |  | 
						
							| 145 | 144 | a1i |  | 
						
							| 146 | 140 131 145 | expaddd |  | 
						
							| 147 | 146 | eqcomd |  | 
						
							| 148 | 143 147 | eqtrd |  | 
						
							| 149 | 148 | oveq2d |  | 
						
							| 150 | 139 149 | eqtrd |  | 
						
							| 151 |  | 4cn |  | 
						
							| 152 |  | ax-1cn |  | 
						
							| 153 |  | 4p1e5 |  | 
						
							| 154 | 151 152 153 | addcomli |  | 
						
							| 155 | 154 | a1i |  | 
						
							| 156 | 155 | oveq2d |  | 
						
							| 157 | 156 | oveq2d |  | 
						
							| 158 | 150 157 | eqtrd |  | 
						
							| 159 |  | 3re |  | 
						
							| 160 | 159 | a1i |  | 
						
							| 161 |  | 0le1 |  | 
						
							| 162 | 161 | a1i |  | 
						
							| 163 |  | 1lt3 |  | 
						
							| 164 | 163 | a1i |  | 
						
							| 165 | 15 160 164 | ltled |  | 
						
							| 166 | 30 15 160 162 165 | letrd |  | 
						
							| 167 | 30 160 9 166 4 | letrd |  | 
						
							| 168 | 9 167 134 | recxpcld |  | 
						
							| 169 | 158 168 | eqeltrrd |  | 
						
							| 170 | 27 | eleq1d |  | 
						
							| 171 | 25 170 | mpbird |  | 
						
							| 172 | 30 29 41 | ltled |  | 
						
							| 173 | 171 172 | jca |  | 
						
							| 174 |  | elnn0z |  | 
						
							| 175 | 173 174 | sylibr |  | 
						
							| 176 | 11 175 | reexpcld |  | 
						
							| 177 | 9 14 | elrpd |  | 
						
							| 178 | 23 15 | readdcld |  | 
						
							| 179 | 22 | nn0zd |  | 
						
							| 180 |  | logb1 |  | 
						
							| 181 | 51 52 19 180 | syl3anc |  | 
						
							| 182 | 181 30 | eqeltrd |  | 
						
							| 183 | 30 | leidd |  | 
						
							| 184 | 181 | eqcomd |  | 
						
							| 185 | 183 184 | breqtrd |  | 
						
							| 186 | 15 160 9 164 4 | ltletrd |  | 
						
							| 187 |  | 1rp |  | 
						
							| 188 | 187 | a1i |  | 
						
							| 189 |  | logblt |  | 
						
							| 190 | 76 188 177 189 | syl3anc |  | 
						
							| 191 | 186 190 | mpbid |  | 
						
							| 192 | 30 182 20 185 191 | lelttrd |  | 
						
							| 193 | 20 179 192 | 3jca |  | 
						
							| 194 |  | expgt0 |  | 
						
							| 195 | 193 194 | syl |  | 
						
							| 196 |  | ltp1 |  | 
						
							| 197 | 23 196 | syl |  | 
						
							| 198 | 30 23 178 195 197 | lttrd |  | 
						
							| 199 | 11 13 178 198 19 | relogbcld |  | 
						
							| 200 | 5 | a1i |  | 
						
							| 201 | 200 | eleq1d |  | 
						
							| 202 | 199 201 | mpbird |  | 
						
							| 203 | 20 | resqcld |  | 
						
							| 204 | 6 | a1i |  | 
						
							| 205 | 204 | eleq1d |  | 
						
							| 206 | 203 205 | mpbird |  | 
						
							| 207 | 206 | rehalfcld |  | 
						
							| 208 | 202 207 | readdcld |  | 
						
							| 209 | 134 11 109 | redivcld |  | 
						
							| 210 | 208 209 | readdcld |  | 
						
							| 211 | 177 210 | rpcxpcld |  | 
						
							| 212 | 211 | rpred |  | 
						
							| 213 | 1 2 3 4 | aks4d1p1p2 |  | 
						
							| 214 | 129 | oveq1d |  | 
						
							| 215 | 214 | oveq2d |  | 
						
							| 216 | 200 | eqcomd |  | 
						
							| 217 | 216 | oveq1d |  | 
						
							| 218 | 204 | eqcomd |  | 
						
							| 219 | 218 | oveq1d |  | 
						
							| 220 | 219 | oveq2d |  | 
						
							| 221 | 217 220 | eqtrd |  | 
						
							| 222 | 221 | oveq1d |  | 
						
							| 223 | 215 222 | eqtrd |  | 
						
							| 224 | 223 | oveq2d |  | 
						
							| 225 | 213 224 | breqtrd |  | 
						
							| 226 | 202 | recnd |  | 
						
							| 227 | 226 108 109 | divcan3d |  | 
						
							| 228 | 227 | eqcomd |  | 
						
							| 229 | 228 | oveq1d |  | 
						
							| 230 | 11 202 | remulcld |  | 
						
							| 231 | 230 | recnd |  | 
						
							| 232 | 206 | recnd |  | 
						
							| 233 | 231 232 51 109 | divdird |  | 
						
							| 234 | 233 | eqcomd |  | 
						
							| 235 | 229 234 | eqtrd |  | 
						
							| 236 | 230 206 | readdcld |  | 
						
							| 237 | 236 134 78 | lediv1d |  | 
						
							| 238 | 8 237 | mpbid |  | 
						
							| 239 | 235 238 | eqbrtrd |  | 
						
							| 240 | 208 209 209 239 | leadd1dd |  | 
						
							| 241 | 135 | 2halvesd |  | 
						
							| 242 | 240 241 | breqtrd |  | 
						
							| 243 | 9 186 210 134 | cxpled |  | 
						
							| 244 | 242 243 | mpbid |  | 
						
							| 245 | 105 212 168 225 244 | ltletrd |  | 
						
							| 246 | 245 158 | breqtrd |  | 
						
							| 247 |  | 1le2 |  | 
						
							| 248 | 247 | a1i |  | 
						
							| 249 | 175 | nn0red |  | 
						
							| 250 | 27 | eqcomd |  | 
						
							| 251 | 38 250 | breqtrd |  | 
						
							| 252 | 11 248 23 249 251 | cxplead |  | 
						
							| 253 |  | cxpexp |  | 
						
							| 254 | 108 175 253 | syl2anc |  | 
						
							| 255 | 252 254 | breqtrd |  | 
						
							| 256 | 105 169 176 246 255 | ltletrd |  |